Year	% of relevant age group
1974	110.8343
1975	111.9302
1976	113.0349
1977	110.5455
1978	108.063
1979	106.1937
1980	105.8631
1981	107.844
1982	107.9646
1983	108.2792
1984	106.7505
1985	109.2854
1986	106.5994
1987	105.1356
1988	104.7754
1989	103.3715
1990	103.6367
1991	105.3839
1992	104.7673
1993	104.4377
1994	106.4898
1995	107.0295
1996	108.8165
1997	108.3865
1998	108.2337
1999	107.959
2000	116.1315
2001	111.515
2002	109.265
2003	108.1946
2004	107.5757
2005	105.2764
2006	107.3455
2007	105.5392
2008	105.0842
2009	104.2236
2010	106.8169
2011	105.7788
2012	104.5374
2013	104.1803
2014	105.0774
2015	105.1657
2016	104.0214
2017	102.9294
2018	103.0157